| Place of origin Changzhou, China Application Drilling, Trenching, Mining and Tunnelling, RecyclingCertification ISO9001:2008Material 4142H / 42CrMoPort of loading Shanghai Packing Wooden case, Iron case or Plastice boxMinimum order 500 PCSPayment terms TT or L/C Supply ability 50,000 PCS/Month Delivery time 4~8 weeks | 
